./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:01:44,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:01:44,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:01:44,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:01:44,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:01:44,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:01:44,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:01:44,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:01:44,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:01:44,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:01:44,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:01:44,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:01:44,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:01:44,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:01:44,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:01:44,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:01:44,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:01:44,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:01:44,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:01:44,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:01:44,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:01:44,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:01:44,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:01:44,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:01:44,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:01:44,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:01:44,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:01:44,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:01:44,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:01:44,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:01:44,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:01:44,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:01:44,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:01:44,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:01:44,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:01:44,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:01:44,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:01:44,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:01:44,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:01:44,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:01:44,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:01:44,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 16:01:44,215 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:01:44,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:01:44,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:01:44,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:01:44,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:01:44,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:01:44,218 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:01:44,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:01:44,218 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:01:44,218 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:01:44,219 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:01:44,220 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:01:44,220 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:01:44,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:01:44,220 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:01:44,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:01:44,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:01:44,221 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:01:44,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 16:01:44,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 16:01:44,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:01:44,222 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:01:44,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:01:44,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:01:44,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:01:44,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:01:44,224 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 16:01:44,224 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 16:01:44,225 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 16:01:44,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:01:44,225 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:01:44,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:01:44,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:01:44,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:01:44,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:01:44,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:01:44,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:01:44,227 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:01:44,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:01:44,227 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:01:44,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:01:44,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:01:44,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-23 16:01:44,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:01:44,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:01:44,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:01:44,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:01:44,524 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:01:44,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-23 16:01:47,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:01:47,893 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:01:47,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-23 16:01:47,911 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/684d67b8a/dbbea1cf3fec4ade9abec9d901b56bb8/FLAG4d88efaca [2022-11-23 16:01:47,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/684d67b8a/dbbea1cf3fec4ade9abec9d901b56bb8 [2022-11-23 16:01:47,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:01:47,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:01:47,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:47,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:01:47,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:01:47,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:47" (1/1) ... [2022-11-23 16:01:47,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348b73c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:47, skipping insertion in model container [2022-11-23 16:01:47,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:47" (1/1) ... [2022-11-23 16:01:47,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:01:48,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:01:48,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-23 16:01:48,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:48,898 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-23 16:01:48,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26dcb966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:48, skipping insertion in model container [2022-11-23 16:01:48,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:48,899 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 16:01:48,901 INFO L158 Benchmark]: Toolchain (without parser) took 960.06ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 130.8MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 16:01:48,902 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:01:48,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 953.97ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 130.8MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 16:01:48,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 953.97ms. Allocated memory is still 186.6MB. Free memory was 150.8MB in the beginning and 130.8MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:01:51,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:01:51,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:01:51,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:01:51,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:01:51,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:01:51,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:01:51,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:01:51,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:01:51,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:01:51,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:01:51,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:01:51,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:01:51,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:01:51,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:01:51,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:01:51,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:01:51,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:01:51,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:01:51,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:01:51,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:01:51,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:01:51,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:01:51,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:01:51,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:01:51,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:01:51,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:01:51,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:01:51,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:01:51,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:01:51,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:01:51,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:01:51,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:01:51,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:01:51,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:01:51,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:01:51,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:01:51,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:01:51,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:01:51,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:01:51,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:01:51,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-23 16:01:51,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:01:51,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:01:51,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:01:51,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:01:51,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:01:51,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:01:51,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:01:51,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:01:51,407 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:01:51,407 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:01:51,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:01:51,409 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:01:51,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 16:01:51,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 16:01:51,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:01:51,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:01:51,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:01:51,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:01:51,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:01:51,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:01:51,412 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 16:01:51,412 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 16:01:51,413 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 16:01:51,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:01:51,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:01:51,414 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:01:51,414 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:01:51,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:01:51,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:01:51,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:01:51,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:01:51,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:01:51,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:01:51,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:01:51,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:01:51,417 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:01:51,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:01:51,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:01:51,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:01:51,418 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2022-11-23 16:01:51,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:01:51,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:01:51,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:01:51,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:01:51,880 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:01:51,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-23 16:01:55,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:01:55,416 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:01:55,417 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2022-11-23 16:01:55,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/4635732ff/6c40f4ab6c06403eb1817222064b2816/FLAG9619dc505 [2022-11-23 16:01:55,468 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/data/4635732ff/6c40f4ab6c06403eb1817222064b2816 [2022-11-23 16:01:55,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:01:55,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:01:55,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:55,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:01:55,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:01:55,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:55" (1/1) ... [2022-11-23 16:01:55,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c718d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:55, skipping insertion in model container [2022-11-23 16:01:55,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:55" (1/1) ... [2022-11-23 16:01:55,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:01:55,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:01:56,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-23 16:01:56,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:56,680 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 16:01:56,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:01:56,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-23 16:01:56,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:56,784 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:01:56,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/sv-benchmarks/c/pthread-complex/bounded_buffer.i[70002,70015] [2022-11-23 16:01:56,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:01:56,957 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:01:56,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56 WrapperNode [2022-11-23 16:01:56,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:01:56,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:01:56,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:01:56,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:01:56,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:56,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,067 INFO L138 Inliner]: procedures = 431, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 464 [2022-11-23 16:01:57,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:01:57,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:01:57,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:01:57,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:01:57,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:01:57,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:01:57,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:01:57,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:01:57,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (1/1) ... [2022-11-23 16:01:57,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:01:57,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:57,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:01:57,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8995d6fa-74cf-4c9e-b2fc-cc9697516243/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:01:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-11-23 16:01:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-11-23 16:01:57,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:01:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 16:01:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 16:01:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:01:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-23 16:01:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:01:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:01:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:01:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:01:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 16:01:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:01:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:01:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-11-23 16:01:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-11-23 16:01:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 16:01:57,250 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 16:01:57,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:01:57,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:01:59,541 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:01:59,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:01:59,557 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 16:01:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:59 BoogieIcfgContainer [2022-11-23 16:01:59,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:01:59,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:01:59,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:01:59,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:01:59,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:01:55" (1/3) ... [2022-11-23 16:01:59,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d31be08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:59, skipping insertion in model container [2022-11-23 16:01:59,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:56" (2/3) ... [2022-11-23 16:01:59,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d31be08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:01:59, skipping insertion in model container [2022-11-23 16:01:59,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:59" (3/3) ... [2022-11-23 16:01:59,574 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2022-11-23 16:01:59,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:01:59,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 164 error locations. [2022-11-23 16:01:59,592 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 16:01:59,881 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-23 16:01:59,937 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 16:01:59,962 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-23 16:01:59,967 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 607 places, 651 transitions, 1324 flow [2022-11-23 16:01:59,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 607 places, 651 transitions, 1324 flow [2022-11-23 16:02:00,661 INFO L130 PetriNetUnfolder]: 109/1455 cut-off events. [2022-11-23 16:02:00,661 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-23 16:02:00,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 1455 events. 109/1455 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10310 event pairs, 0 based on Foata normal form. 0/962 useless extension candidates. Maximal degree in co-relation 760. Up to 16 conditions per place. [2022-11-23 16:02:00,796 INFO L119 LiptonReduction]: Number of co-enabled transitions 197082 [2022-11-23 16:03:42,637 WARN L233 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:03:50,583 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:04:35,092 WARN L233 SmtUtils]: Spent 42.06s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:04:50,048 WARN L233 SmtUtils]: Spent 14.95s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:05:33,022 WARN L233 SmtUtils]: Spent 42.97s on a formula simplification. DAG size of input: 151 DAG size of output: 149 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:05:51,850 WARN L233 SmtUtils]: Spent 18.83s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:06:49,933 WARN L233 SmtUtils]: Spent 45.63s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:07:09,625 WARN L233 SmtUtils]: Spent 19.69s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:07:52,250 WARN L233 SmtUtils]: Spent 42.62s on a formula simplification. DAG size of input: 146 DAG size of output: 144 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:08:06,714 WARN L233 SmtUtils]: Spent 14.46s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:08:12,209 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:08:20,013 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:09:11,208 WARN L233 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:09:19,769 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 110 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:10:24,112 WARN L233 SmtUtils]: Spent 22.08s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:10:47,623 WARN L233 SmtUtils]: Spent 23.51s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:11:06,321 WARN L233 SmtUtils]: Spent 18.70s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:11:29,169 WARN L233 SmtUtils]: Spent 22.85s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:13:42,375 WARN L233 SmtUtils]: Spent 2.15m on a formula simplification. DAG size of input: 177 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:14:44,023 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 172 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:16:51,302 WARN L233 SmtUtils]: Spent 2.12m on a formula simplification. DAG size of input: 177 DAG size of output: 176 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)